It appears many Mail users are having authentication problems in which they are prompted for the username and password every time a message is sent (either manually ...

Sending email messages from your iPhone uses a different server connection than receiving email. Because of this, your iPhone can sometimes receive email but be unable to send it. Settings for ...

To send and receive messages, your email client transmits your username and password over the Internet to your mail server. By default, this information is sent unencrypted, which opens you up to the ...

Q: My iPad has suddenly stopped sending emails, and I've been getting the following error as a result: "Sender's address is not valid." In researching this error ...

Email: It's been around for decades, and people are still confused about how it works--and for good reason. Setting up and troubleshooting an email account can be an irritating venture. Recently, we ...

Email started as a way to send a file between early internetworked computers with little checking about who was sending what. Despite the 60-odd years that have passed, that’s more or less what ...